3 Montague Square London Southwark SE15 2LQ

This site has had 2 applications since 2026: 1 approved, 1 refused.

• 26/AP/1281 Granted

  3 Montague Square London Southwark SE15 2LQ

  Certificate of lawfulness (proposed) for the erection of a ground floor rear extension and conversion of the garage to a habitable room, including the replacement of the garage door with a window.

  Decided 24 Jun 2026 Lawful development

1. 5 May 2026

   Received by Southwark

2. 7 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 3 Jun 2026

   Decision issued: Prior Approval Required- REFUSED

4. 25 Jul 2026

   Added to PlanIndex

Southwark refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 3 Montague Square London Southwark SE15 2LQ

  26/AP/1281 Submitted 5 May 2026 0.1 miles away

  Certificate of lawfulness (proposed) for the erection of a ground floor rear extension and conversion of the garage to a habitable room, including the replacement of the garage door with a window.

  Granted Lawful development Extension Windows or glazing 10 docs

• 35A Clifton Way London SE15 2LH

  02/AP/1967 Submitted 1 Nov 2002 0.1 miles away

  Continued use of premises for motor vehicle repairs.

  Granted Full applications 1 doc

• 1 Loder Street London Southwark SE15 2LF

  22/AP/1233 Submitted 5 Apr 2022 0.1 miles away

  Certificate of lawfulness: demolition of exisiting outbuilding and proposed erection of new outbuilding

  Refused Lawful development Demolition 7 docs

• 1 Loder Street London Southwark SE15 2LF

  22/AP/2102 Submitted 14 Jun 2022 0.1 miles away

  Certificate of lawfulness for the proposed construction of an outbuilding in the rear garden

  Refused Lawful development 9 docs

• SLEEPER COURT, POMEROY STREET, LONDON, SE14 5FY

  DC/21/121572 Submitted 29 Apr 2021 0.1 miles away

  Prior Approval under Schedule 2, Part 20, Class A of the Town and Country Planning (General Permitted Development) Order (2015) (as amended) for the construction of one additional storey to Sleeper Court Pomeroy Street SE14 to provide 1 x 3-bed self-contained flat. (please note change in the description)

  Granted Prior approval 28 docs

• SLEEPER COURT, POMEROY STREET, LONDON, SE14 5FY

  DC/19/113677 Submitted 28 Aug 2019 0.1 miles away

  Details submitted in respect of part of Condition (1) 'Landscape Treatment' and Condition (7) 'Life Time Standard' for the planning permission referenced DC/10/073539 dated 15/10/2010 for the construction of a part three/part four storey block on former garden area of Hammersley House, Pomeroy Street SE14, to provide 2 one bedroom and 6 two bedroom self-contained flats.

  Granted Full applications New dwelling 8 docs

• 26/AP/2031 Granted

  Flat B11, Lloyds Wharf Mill Street London SE1 2BD

  Replacement of existing rooflights and installation of external shutters.

  Received 13 Jul, published by the council 25 Jul 2026 Full applications
• 26/AP/2012 Granted

  3 Grange Yard London Southwark SE1 3AE

  Alterations to an existing metal structure located within the courtyard including re-cladding, installation of two openings with roller shutters and three access doors, and installation of six roof lights.

  Received 9 Jul, published by the council 25 Jul 2026 Full applications
• 26/AP/1894 Granted

  10 - 18 Union Street London Southwark SE1 1SZ

  Replacement windows and doors to Union Street (South elevation).

  Received 30 Jun, published by the council 25 Jul 2026 Full applications
• 26/AP/1772 Granted

  The Admiral Hyson Estate Galleywall Road London Southwark SE16 3PA

  Removal of existing electrical equipment and erection of substation.

  Received 18 Jun, published by the council 25 Jul 2026 Full applications
• 26/AP/2127 Granted

  Flat 16 157-163 Queens Road London Southwark SE15 2ND

  Roof terrace on the flat roof adjoining the flat, linked to the existing south-facing balcony; replacement of window with inward-opening aluminium doors; a permanent privacy balustrade.

  Received 20 Jul, published by the council 25 Jul 2026 Full applications